Seagate harddrive disapearing from My Computer

My dad gave me this external seagate harddrive a couple of weeks ago, and i have no need for an external drive, so i decided to install it on my desktop PC. I put it in, started the pc and it was detected and showing up on "My Computer", but about 5 minutes later when i tried to play some music from it, i got a error saying that the directory did not exist, so i went to " My Computer" and the drive was no longer showing there. It happens every time i start my pc, it detects the drive, it shows it and i am able to browse files and open them, but 5 or 10 minutes later its gone. Am i missing something? Anybody know what is going on here?

I'd play with the cable connecting it, try replacing the cable if you have a spare, if not, reseat it at both ends, ensuring it's firmly in place.

It could also (although a tad less likely) be a power related issue. If your PSU is at it's limit it may not have enough juice to power the HDD properly.

It's also worth checking the phyiscall HDD itself - I.e. leave it connected, but not secured (screwed in), and see if you can listen to it once the machine is on - See if the drive actually powers off completely (stops making any noise) when it vanishes from Windows.

Well its not the cable, i replaced it with a new one that has clips to hold it, and when it disapears the drive is actually still on, i can feel it moving, just like my other SATA drive, i have a 500w psu, all i have is a dvdrw drive, 2 sata drives, and 2 fans hooked up.

No that didnt do anything either, i tried updating my sata controller drivers, and that made the entire computer crash, it wouldnt even load windows, so i had to use system restore. Im about to just give up on it, but i want to get my files out of it. I notcie that it has a different firmware, my other drive has 3.04, but this one has 3.AFK ??? Could that be the issue ?

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